package com.ruoyi.system.service;

import java.util.Set;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import com.ruoyi.common.core.constant.UserConstants;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.common.core.enums.UserStatus;
import com.ruoyi.common.core.exception.ServiceException;
import com.ruoyi.common.core.utils.ip.IpUtils;
//import com.ruoyi.common.redis.service.RedisService;
import com.ruoyi.common.security.utils.SecurityUtils;
import com.ruoyi.system.api.domain.SysUser;
import com.ruoyi.system.api.model.LoginUser;

import start.spring.basic.constant.CacheConstants;
import start.spring.basic.dynamic.DynamicRedisDAO;
import start.spring.basic.redis.RedisKey;
import start.spring.basic.ry.core.utils.StringUtils;

/**
 * 登录校验方法
 * 
 * @author ruoyi
 */
@Component
public class SysLoginService
{
//    @Autowired
//    private RemoteUserService remoteUserService;

    @Autowired
    private SysPasswordService passwordService;
    
    @Autowired
    private ISysUserService userService;
    
    @Autowired
    private ISysConfigService configService;
    
    @Autowired
    private ISysPermissionService permissionService;

//    @Autowired
//    private SysRecordLogService recordLogService;

//    @Autowired
//    private RedisService redisService;
    
    @Autowired
    private DynamicRedisDAO redis;

    /**
     * 登录
     */
    public LoginUser login(String username, String password)
    {
        // 用户名或密码为空 错误
        if (StringUtils.isAnyBlank(username, password)) {
            throw new ServiceException("用户/密码必须填写");
        }
        
        // 密码如果不在指定范围内 错误
        if (password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH) {
            throw new ServiceException("用户密码不在指定范围");
        }
        
        // 用户名不在指定范围内 错误
        if (username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH) {
            throw new ServiceException("用户名不在指定范围");
        }
        
        // IP黑名单校验
        String blackStr = redis.get(RedisKey.REDIS_DEFAULT, CacheConstants.SYS_LOGIN_BLACKIPLIST);
        if (IpUtils.isMatchedIp(blackStr, IpUtils.getIpAddr())) {
            throw new ServiceException("很遗憾，访问IP已被列入系统黑名单");
        }
        
        R<LoginUser> userResult = null;
        
        SysUser sysUser = userService.selectUserByUserName(username);
        if (StringUtils.isNull(sysUser)) {
        	userResult = R.fail("用户名或密码错误");
        }
        // 角色集合
        Set<String> roles = permissionService.getRolePermission(sysUser);
        // 权限集合
        Set<String> permissions = permissionService.getMenuPermission(sysUser);
        LoginUser sysUserVo = new LoginUser();
        sysUserVo.setSysUser(sysUser);
        sysUserVo.setRoles(roles);
        sysUserVo.setPermissions(permissions);
        
        userResult = R.ok(sysUserVo);

        if (StringUtils.isNull(userResult) || StringUtils.isNull(userResult.getData())) {
            throw new ServiceException("登录用户：" + username + " 不存在");
        }

        if (R.FAIL == userResult.getCode()) {
            throw new ServiceException(userResult.getMsg());
        }
        
        LoginUser userInfo = userResult.getData();
        SysUser user = userResult.getData().getSysUser();
        if (UserStatus.DELETED.getCode().equals(user.getDelFlag())) {
            throw new ServiceException("对不起，您的账号：" + username + " 已被删除");
        }
        if (UserStatus.DISABLE.getCode().equals(user.getStatus())) {
            throw new ServiceException("对不起，您的账号：" + username + " 已停用");
        }
        passwordService.validate(user, password);
        return userInfo;
    }

    public void logout(String loginName)
    {
    	//TODO 补充清理会话动作
//        recordLogService.recordLogininfor(loginName, Constants.LOGOUT, "退出成功");
    }

    /**
     * 注册
     */
    public void register(String username, String password) {
        // 用户名或密码为空 错误
        if(StringUtils.isAnyBlank(username, password)) {
            throw new ServiceException("用户/密码必须填写");
        }
        if(username.length() < UserConstants.USERNAME_MIN_LENGTH
                || username.length() > UserConstants.USERNAME_MAX_LENGTH) {
            throw new ServiceException("账户长度必须在2到20个字符之间");
        }
        if(password.length() < UserConstants.PASSWORD_MIN_LENGTH
                || password.length() > UserConstants.PASSWORD_MAX_LENGTH) {
            throw new ServiceException("密码长度必须在5到20个字符之间");
        }

        // 注册用户信息
        SysUser sysUser = new SysUser();
        sysUser.setUserName(username);
        sysUser.setNickName(username);
        sysUser.setPassword(SecurityUtils.encryptPassword(password));
        
        R<?> registerResult = null;
        
        if(!("true".equals(configService.selectConfigByKey("sys.account.registerUser")))) {
        	registerResult = R.fail("当前系统没有开启注册功能！");
        }
        
        if(!userService.checkUserNameUnique(sysUser)) {
        	registerResult = R.fail("保存用户'" + username + "'失败，注册账号已存在");
        }
        
        registerResult = R.ok(userService.registerUser(sysUser));

        if(R.FAIL == registerResult.getCode()) {
            throw new ServiceException(registerResult.getMsg());
        }
    }
}
